- A small engine used to make precision adjustments to a spaceships position.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.
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vernier engine — noun see vernier I … New Collegiate Dictionary
vernier engine — noun see vernier III … Useful english dictionary
vernier engine — Rocketry. a small, low thrust rocket engine for correcting the heading and velocity of a long range ballistic missile. * * * … Universalium
vernier engine — noun a thruster on a spacecraft … English new terms dictionary
vernier rocket — vernier engine or vernier rocket, a small auxiliary rocket engine used for minute adjustments in velocity or trajectory, such as before a spacecraft soft lands or docks: »On Jan. 9, 1968, following a 66 hour flight, a large retrorocket and three… … Useful english dictionary
Vernier — n. a small movable graduated scale for obtaining fractional parts of subdivisions on a fixed main scale of a barometer, sextant, etc. Phrases and idioms: vernier engine an auxiliary engine for slight changes in the motion of a space rocket etc.… … Useful english dictionary
engine — Synonyms and related words: AC motor, Corliss engine, Otto engine, Wankel engine, aeromotor, air engine, alembic, anvil, apparatus, appliance, arc jet engine, axial flow turbojet, beam engine, bearings, blowing engine, boiler, caldron, cam, cam… … Moby Thesaurus
vernier — I. noun Etymology: Pierre Vernier Date: 1766 1. a short scale made to slide along the divisions of a graduated instrument for indicating parts of divisions 2. a. a small auxiliary device used with a main device to obtain fine adjustment b. any of … New Collegiate Dictionary
Vernier thruster — A vernier thruster is a thruster used on a spacecraft for attitude control. It is a smaller thrust motor than main attitude control motors and is used for fine adjustments to the attitude or velocity of a spacecraft. A vernier rocket is a smaller … Wikipedia
Vernier throttle — A vernier throttle is a throttle often used in aircraft. It uses a cable and a screw mechanism to provide the operator precise control over an engine s operation. The concept is similar in use to vernier calipers which have a primary operation… … Wikipedia